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Show first 8 bytes of file in the hash check error message

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This commit is contained in:
Richard Kuhnt
2018-07-09 13:14:38 +02:00
parent e288e8c8c8
commit e4cbb42e64
1 changed files with 12 additions and 8 deletions
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lib/install.ps1
+12 -8
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@@ -443,8 +443,9 @@ function hash_for_url($manifest, $url, $arch) {
# returns (ok, err)
function check_hash($file, $hash, $app_name) {
$file = fullpath $file
if(!$hash) {
warn "Warning: No hash in manifest. SHA256 is:`n $(compute_hash (fullpath $file) 'sha256')"
warn "Warning: No hash in manifest. SHA256 is:`n $(compute_hash $file) 'sha256')"
return $true, $null
}
@@ -459,18 +460,21 @@ function check_hash($file, $hash, $app_name) {
return $false, "Hash type '$type' isn't supported."
}
$actual = compute_hash (fullpath $file) $type
$actual = (compute_hash $file $type).ToLower()
$expected = $expected.ToLower()
$actual = $actual.ToLower()
if($actual -ne $expected) {
$msg = "Hash check failed!`n"
$msg += "App: $app_name`n"
$msg += "URL: $url`n"
$msg += "App: $app_name`n"
$msg += "URL: $url`n"
if(Test-Path $file) {
$hexbytes = Get-Content $file -Encoding byte -TotalCount 8 | ForEach-Object { $_.tostring('x2') }
$hexbytes = [string]::join(' ', $hexbytes).ToUpper()
$msg += "First bytes: $hexbytes`n"
}
if($expected -or $actual) {
$msg += "Expected: $expected`n"
$msg += "Actual: $actual"
$msg += "Expected: $expected`n"
$msg += "Actual: $actual"
}
return $false, $msg
}